Idées Art Decor Movement . Fusing the elements with inspiration from nature. That year, in fact, the exposition des arts décoratifs (exhibition of decorative arts) was held in paris, and artists, architects, and designers showed works in this style, thereby. 18/03/1990 · art deco was announced to the world in the 1925 exposition internationale des arts décoratifs et industriels modernes in paris, not as a new movement but one that had been in development for more.